BS1-B0-12-630-521-D The Littelfuse Inc. BS1-B0-12-630-521-D is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 30A and 277V. It features a lever actuator and panel mount type.
Mfr Part #:

BS1-B0-12-630-521-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BS1-B0-12-630-521-D is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 30A and 277V. It features a lever actuator and panel mount type.
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BS1-B0-12-630-521-D Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
SVHC Present
Voltage Rating

BS1-B0-12-630-521-D Description

Short technical summary and product information.

This Littelfuse Inc. BS1-B0-12-630-521-D is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic (hydraulic delay) mechanism for reliable operation.

 

The breaker has a current rating of 30A and a voltage rating of 277V, making it suitable for various power distribution applications. The actuator type is a lever, providing a clear visual indication of its state.

 

Compliance is indicated by CCC, CSA, UL, and VDE approval agencies. The RoHS status is RoHS3 Compliant, Moisture Sensitivity Level is 1 Unlimited, and REACH status is REACH Unaffected. These environmental and compliance attributes are based on available data and should be verified for critical applications.

 

This component is part of the broader circuit protection category, specifically within circuit breakers. Its specifications make it a candidate for applications requiring robust overcurrent protection.

BS1-B0-12-630-521-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BS1-B0-12-630-521-D Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

BS1-B0-12-630-521-D Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BS1-B0-12-630-521-D Features

  • 30A current rating for power handling.
  • 277V voltage rating for AC applications.
  • Magnetic (hydraulic delay) breaker type.
  • Single pole configuration.
  • Panel mount for easy installation.

BS1-B0-12-630-521-D Applications

  • Used in power distribution systems.
  • Suitable for industrial control panels.
  • Applicable in commercial electrical systems.
  • Component in protection circuits.

BS1-B0-12-630-521-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BS1-B0-12-630-521-D?

The current rating is 30A.

What is the voltage rating of the BS1-B0-12-630-521-D?

The voltage rating is 277V.

What type of circuit breaker is the BS1-B0-12-630-521-D?

It is a magnetic circuit breaker with hydraulic delay.

How many poles does the BS1-B0-12-630-521-D have?

It has 1 pole.

What approvals does the BS1-B0-12-630-521-D hold?

It is approved by CCC, CSA, UL, and VDE.

What type of actuator does the BS1-B0-12-630-521-D use?

It uses a lever actuator.

How is the BS1-B0-12-630-521-D mounted?

It is panel mounted.

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